Home / 3,350.57-4,621.05-2,789.64

Finding the Fourth Proportional to 3,350.57, 4,621.05 and 2,789.64

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Solution

The fourth proportional to 3,350.57, 4,621.05 and 2,789.64 is: 3,847.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.57 : 4,621.05 = 2,789.64 : x
  2. Step 2: Convert to fraction form
    3,350.57/4,621.05 = 2,789.64/x
  3. Step 3: Cross multiply
    3,350.57x = 4,621.05 × 2,789.64
  4. Step 4: Simplify right side
    3,350.57x = 12,891,065.92
  5. Step 5: Solve for x
    x = 12,891,065.92/3,350.57
  6. Step 6: Final answer
    x = 3,847.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.